.left-panel {
  min-height: 805px;
  background: white;
}

.center-panel {
  min-height: 800px;
  background: white;
}
.main {
  display: flex;
  display:-webkit-flex;
  flex-direction: column;
  align-items: center
}
.up {
  display: flex;
  display: -webkit-flex;
  flex-direction: row;
  margin-bottom: 15px;
  margin-top: 10px;
}
.up label {
  width: 300px;
  color: black;
  text-align: right;
  margin-right: 10px;
  line-height: 30px;
  font-size: 20px;
}
.up input {
  display: block;
  height: 30px;
  width: 2000px;
  font-size: 20px;
  line-height: 30px;
  border-bottom: 2px solid darkgreen;
  border-left: 0;
  border-right: 0;
  border-top: 0;
}
.up input:focus{ outline:none; }
.backdrop {
  background: lightgrey;
  padding-left: 20px;
  color: darkgreen;
}

.tree-node-item {
  /*  flex-direction: row;  在一行显示不下就缩小宽度，指定一个定宽，让其他缩小*/
  /* 这个定宽操作容器宽度就会占据剩下的空间*/
  width: 200px;
  align-self: stretch;
  /* 子元素垂直居中*/
  align-items: center;
  display: flex;
  flex-direction: row;
  /* 子元素两端对齐*/
  justify-content: space-between;
  -webkit-align-items: center;
}
.edit-panel {
  margin-right: 5px;
}
.edit-panel input {
  width: 80px
}
.tree-node-item .tree-node-title {
  height: 16px;
  line-height: 16px;
  float: left;
}
.tree-node-item .tree-node-tool {
  line-height: 16px;
  float: right;
  display: none;
}
.tree-node-item:hover .tree-node-tool {
  margin-right: 5px;
  display: block;
}
.tree-node-tool a:hover {
  color: black;
}

.ariticle-panel {
  display: flex;
  display: -webkit-flex;
  flex-direction: column;
  color: black;
  min-height: 700px;
  background: #fbfbfb;
}

.article-content {
  margin: 10px;
  font-size: 16px;
  min-height: 600px;
}

.recent-subject {
  position: relative;
  margin-top: 35px;
  margin-bottom: 20px;
}



.all-btn a {
  display: block;
  padding: 10px 12px
}
.all-btn a:hover {
  cursor: pointer;
}
.tag-show {
  margin-top: 100px
}

.s-article-content {
  line-height: 1.8;
  font-size: 15px;
  font-family: "-apple-system,BlinkMacSystemFont,Helvetica Neue,PingFang SC,Microsoft YaHei,Source Han Sans SC,Noto Sans CJK SC,WenQuanYi Micro Hei,sans-serif";
}

